diff --git a/client/src/pages/home.tsx b/client/src/pages/home.tsx
index 4d0a2d3..d54cf74 100644
--- a/client/src/pages/home.tsx
+++ b/client/src/pages/home.tsx
@@ -490,6 +490,17 @@ export default function Home() {
       }
     }
 
+    const totalRows = items.length / 4;
+    const adRows = [1, 3, 5, 7];
+    const adCols = [3, 1, 2, 0];
+    adRows.forEach((row, i) => {
+      if (row < totalRows) {
+        const idx = row * 4 + adCols[i % adCols.length];
+        if (items[idx] && items[idx].type === "article") {
+          items[idx] = { type: "ad", key: `ad-${i}` };
+        }
+      }
+    });
 
     return items;
   }, [shuffled, widgets]);